*{
    padding: 0;
    margin: 0;
}
/* 网页大小 */
html,body{
    width: 100%;
    height: 100%;
}
/* 最外层边框 */
.wai{
    width: 100%;
    height: 100%;
    background-color: pink;
    box-sizing: border-box;
}
/* 头部 */
.ding{
    width: 100%;
    height: 20%;
    background-color: rebeccapurple;
    background: url(./banner.jpg)no-repeat;
    background-size: 100% 100%;
}
.deng{
    width: 20%;
    height: 100%;
    border: 1px solid pink;
    margin: 0 auto;
}
/* 主题部分 */
.zhong{
    width: 100%;
    height: 60%;
    background-color: white;
}
/* 最底部 */
.di{
    width: 100%;
    height: 20%;
    background-color: turquoise;
}
input{
    width: 75%;
    height: 40px;
    margin: 5% 10%;
    border: none;
    border: 1px solid #D9D9D9;
    padding: 5px 10px;
    border-radius: 10px;
    outline: none;
}

.baga{
    background-color: #03A9F4;
    color: white;
    font-size: 16px;
    width: 80%;
    height: 50px;
    border-radius: 10px;
}

.hr{
    width: 80%;
    height: 1px;
    background-color: #ccc;
    margin-left: 10%;
}

.zhusan:hover .yin{
    display: block;
}
.zhusan2:hover .yin2{
    display: block;
}
.zhusan3:hover .yin3{
    display: block;
}
.yin{
    position: fixed;
    right: 805px;
    top: 479px;
    margin: 0 auto;
    width: 310px;
    height: 50px;
    border-radius: 10px;
    background-color: #03A9F4;
    color: white;
    display: none;
    line-height: 45px;
    text-align: center;
    font-size: 14px;
}
.yin2{
    position: fixed;
    right: 805px;
    top: 565px;
    margin: 0 auto;
    height: 50px;
    width: 310px;
    border-radius: 10px;
    background-color: #AAAAAA;
    color: white;
    display: none;
    line-height: 45px;
    text-align: center;
    font-size: 14px;
}
.yin3{
    position: fixed;
    right: 805px;
    top: 655px;
    width: 310px;
    margin: 0 auto;
    height: 50px;
    border-radius: 10px;
    background-color: #AAAAAA;
    color: white;
    display: none;
    line-height: 45px;
    text-align: center;
    font-size: 14px;
}
.p{
    width: 30px;
    height: 30px;
    position: fixed;
    right: 810px;
    top: 488px;
}
.p2{
    width: 30px;
    height: 30px;
    position: fixed;
    right: 810px;
    top: 575px;
}
.p3{
    width: 30px;
    height: 30px;
    position: fixed;
    right: 810px;
    top: 665px;
}
.zhuce{
    background-color: white;
    color: #03A9F4;
    border: 1px solid #03A9F4;
    border-radius: 10px;
    width: 80%;
    height: 50px;
}
.zhuc{
    background-color: white;
    color: #AAAAAA;
    border: 1px solid #AAAAAA;
    border-radius: 10px;
    width: 80%;
    height: 50px;
}